CNET looks at newly surfaced contracts, design specs, and page after page of schematics and code, revealing how Apple created its first disk OS, a chapter of Silicon Valley history critical to its later success.

Facebook denies that it's building its own phone, despite its own claims of how great it would be.Captchas get replaced with ads (evil?). HP invents the tablet-powered printer. And Jason joins us on the other side of the board!